Make client port configurable and move settings structure to be initialised in main() instead of dochat().

1 files changed, 42 insertions, 0 deletions

diff --git a/config.c b/config.c
index 7d26ca0..d652147 100644
--- a/config.c
+++ b/config.c
@@ -183,3 +183,45 @@ int checkpassword(char *password) {
   printf("No password read from configuration file, quitting.\n");
   exit(1);
 }
+
+int confclientport(char *clientport) {
+  FILE *fp;
+  char str[MAXCHAR];
+  char* filename = "blabouncer.conf";
+
+  // Set all strings to zero-length to begin
+  clientport[0] = '\0';
+
+  fp = fopen(filename, "r");
+
+  if (fp == NULL) {
+    printf("error: could not open configuration file '%s'.\n", filename);
+    exit(1);
+  }
+
+  while (fgets(str, MAXCHAR, fp) != NULL) {
+    long int len;
+    if ((len = isconf(str, "clientport"))) {
+      getconf(str, len);
+      strncpy(clientport, str, strlen(str));
+      clientport[strlen(str)] = '\0';
+      printf("clientport is: '%s', length '%ld'.\n", clientport, strlen(clientport));
+    }
+  }
+
+  // Ensure we have everything required
+  if (!strlen(clientport)) {
+    printf("Failed to read clientport from configuration file.\n");
+    exit(1);
+  }
+
+  int portint = strtol(clientport, NULL, 10); // Convert resulting string to an integer, base 10
+  // Ensure port is valid
+  if (portint < 1 || portint > 65535) {
+    printf("Invalid clientport value in configuration file.\n");
+    exit(1);
+  }
+
+  fclose(fp);
+  return 1;
+}